Shoe upper



FIG. 1 is a perspective view of a shoe upper showing my new design.

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front plan thereof;

FIG. 5 is a rear plan view thereof; and,

FIG. 6 is a top plan view thereof.

Broken lines in the figures showing the remainder of the shoe upper are for illustrative purposes only and form no part of the claimed invention. 

The ornamental design for a shoe upper, as shown and described. 